Convert the radical expression to its rational exponent form and then simplify. Assume that all variables represent positive numbers.
A. x3/7y7/3
B. x3/7y3/7
C. x7/3y7/3
D. x7/3y3/7
Answer: D
Mathematics
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Solve the problem.Find the mass of the piece of thin metal in the shape of the surface the tetrahedron with vertices (0, 0, 0), (1, 0, 0), (0, 3, 0) and (0, 0, 2), ?(x, y, z) = 2x + 4z.
A. 12
B. 
C. 26
D. 20
Mathematics
Write the decimal as a fraction or mixed number in lowest terms.11.2
A. 
B. 1
C. 11
D. 1
Mathematics
Factor completely.2y4 - 50y2
A. 2y2(y - 5)2 B. 2(y2 - 5y)(y2 + 5y) C. 2y2(y - 5)(y + 5) D. y2(2y2 - 50)
Mathematics
Solve 4 + 9x2 + 12x =0 by factoring.
a. 
b. 
c. 
d. 
e. 
Mathematics